/**
 * This code was AUTOGENERATED using the Codama library.
 * Please DO NOT EDIT THIS FILE, instead use visitors
 * to add features, then rerun Codama to update it.
 *
 * @see https://github.com/codama-idl/codama
 */

import {
  addDecoderSizePrefix,
  addEncoderSizePrefix,
  combineCodec,
  fixDecoderSize,
  fixEncoderSize,
  getBooleanDecoder,
  getBooleanEncoder,
  getBytesDecoder,
  getBytesEncoder,
  getStructDecoder,
  getStructEncoder,
  getU16Decoder,
  getU16Encoder,
  getU32Decoder,
  getU32Encoder,
  getUtf8Decoder,
  getUtf8Encoder,
  transformEncoder,
  type AccountMeta,
  type AccountSignerMeta,
  type Address,
  type Codec,
  type Decoder,
  type Encoder,
  type Instruction,
  type InstructionWithAccounts,
  type InstructionWithData,
  type ReadonlyAccount,
  type ReadonlySignerAccount,
  type ReadonlyUint8Array,
  type TransactionSigner,
  type WritableAccount,
} from "@solana/kit";
import { SCOPE_PROGRAM_ADDRESS } from "../programs";
import { getAccountMetaFactory, type ResolvedAccount } from "../shared";

export const FREEZE_PRICE_DISCRIMINATOR = new Uint8Array([
  82, 182, 166, 239, 171, 188, 133, 14,
]);

export function getFreezePriceDiscriminatorBytes() {
  return fixEncoderSize(getBytesEncoder(), 8).encode(
    FREEZE_PRICE_DISCRIMINATOR,
  );
}

export type FreezePriceInstruction<
  TProgram extends string = typeof SCOPE_PROGRAM_ADDRESS,
  TAccountAuthority extends string | AccountMeta<string> = string,
  TAccountConfiguration extends string | AccountMeta<string> = string,
  TAccountOracleMappings extends string | AccountMeta<string> = string,
  TRemainingAccounts extends readonly AccountMeta<string>[] = [],
> = Instruction<TProgram> &
  InstructionWithData<ReadonlyUint8Array> &
  InstructionWithAccounts<
    [
      TAccountAuthority extends string
        ? ReadonlySignerAccount<TAccountAuthority> &
            AccountSignerMeta<TAccountAuthority>
        : TAccountAuthority,
      TAccountConfiguration extends string
        ? ReadonlyAccount<TAccountConfiguration>
        : TAccountConfiguration,
      TAccountOracleMappings extends string
        ? WritableAccount<TAccountOracleMappings>
        : TAccountOracleMappings,
      ...TRemainingAccounts,
    ]
  >;

export type FreezePriceInstructionData = {
  discriminator: ReadonlyUint8Array;
  token: number;
  feedName: string;
  freeze: boolean;
};

export type FreezePriceInstructionDataArgs = {
  token: number;
  feedName: string;
  freeze: boolean;
};

export function getFreezePriceInstructionDataEncoder(): Encoder<FreezePriceInstructionDataArgs> {
  return transformEncoder(
    getStructEncoder([
      ["discriminator", fixEncoderSize(getBytesEncoder(), 8)],
      ["token", getU16Encoder()],
      ["feedName", addEncoderSizePrefix(getUtf8Encoder(), getU32Encoder())],
      ["freeze", getBooleanEncoder()],
    ]),
    (value) => ({ ...value, discriminator: FREEZE_PRICE_DISCRIMINATOR }),
  );
}

export function getFreezePriceInstructionDataDecoder(): Decoder<FreezePriceInstructionData> {
  return getStructDecoder([
    ["discriminator", fixDecoderSize(getBytesDecoder(), 8)],
    ["token", getU16Decoder()],
    ["feedName", addDecoderSizePrefix(getUtf8Decoder(), getU32Decoder())],
    ["freeze", getBooleanDecoder()],
  ]);
}

export function getFreezePriceInstructionDataCodec(): Codec<
  FreezePriceInstructionDataArgs,
  FreezePriceInstructionData
> {
  return combineCodec(
    getFreezePriceInstructionDataEncoder(),
    getFreezePriceInstructionDataDecoder(),
  );
}

export type FreezePriceInput<
  TAccountAuthority extends string = string,
  TAccountConfiguration extends string = string,
  TAccountOracleMappings extends string = string,
> = {
  authority: TransactionSigner<TAccountAuthority>;
  configuration: Address<TAccountConfiguration>;
  oracleMappings: Address<TAccountOracleMappings>;
  token: FreezePriceInstructionDataArgs["token"];
  feedName: FreezePriceInstructionDataArgs["feedName"];
  freeze: FreezePriceInstructionDataArgs["freeze"];
};

export function getFreezePriceInstruction<
  TAccountAuthority extends string,
  TAccountConfiguration extends string,
  TAccountOracleMappings extends string,
  TProgramAddress extends Address = typeof SCOPE_PROGRAM_ADDRESS,
>(
  input: FreezePriceInput<
    TAccountAuthority,
    TAccountConfiguration,
    TAccountOracleMappings
  >,
  config?: { programAddress?: TProgramAddress },
): FreezePriceInstruction<
  TProgramAddress,
  TAccountAuthority,
  TAccountConfiguration,
  TAccountOracleMappings
> {
  // Program address.
  const programAddress = config?.programAddress ?? SCOPE_PROGRAM_ADDRESS;

  // Original accounts.
  const originalAccounts = {
    authority: { value: input.authority ?? null, isWritable: false },
    configuration: { value: input.configuration ?? null, isWritable: false },
    oracleMappings: { value: input.oracleMappings ?? null, isWritable: true },
  };
  const accounts = originalAccounts as Record<
    keyof typeof originalAccounts,
    ResolvedAccount
  >;

  // Original args.
  const args = { ...input };

  const getAccountMeta = getAccountMetaFactory(programAddress, "programId");
  return Object.freeze({
    accounts: [
      getAccountMeta(accounts.authority),
      getAccountMeta(accounts.configuration),
      getAccountMeta(accounts.oracleMappings),
    ],
    data: getFreezePriceInstructionDataEncoder().encode(
      args as FreezePriceInstructionDataArgs,
    ),
    programAddress,
  } as FreezePriceInstruction<
    TProgramAddress,
    TAccountAuthority,
    TAccountConfiguration,
    TAccountOracleMappings
  >);
}

export type ParsedFreezePriceInstruction<
  TProgram extends string = typeof SCOPE_PROGRAM_ADDRESS,
  TAccountMetas extends readonly AccountMeta[] = readonly AccountMeta[],
> = {
  programAddress: Address<TProgram>;
  accounts: {
    authority: TAccountMetas[0];
    configuration: TAccountMetas[1];
    oracleMappings: TAccountMetas[2];
  };
  data: FreezePriceInstructionData;
};

export function parseFreezePriceInstruction<
  TProgram extends string,
  TAccountMetas extends readonly AccountMeta[],
>(
  instruction: Instruction<TProgram> &
    InstructionWithAccounts<TAccountMetas> &
    InstructionWithData<ReadonlyUint8Array>,
): ParsedFreezePriceInstruction<TProgram, TAccountMetas> {
  if (instruction.accounts.length < 3) {
    // TODO: Coded error.
    throw new Error("Not enough accounts");
  }
  let accountIndex = 0;
  const getNextAccount = () => {
    const accountMeta = (instruction.accounts as TAccountMetas)[accountIndex]!;
    accountIndex += 1;
    return accountMeta;
  };
  return {
    programAddress: instruction.programAddress,
    accounts: {
      authority: getNextAccount(),
      configuration: getNextAccount(),
      oracleMappings: getNextAccount(),
    },
    data: getFreezePriceInstructionDataDecoder().decode(instruction.data),
  };
}